a guy in texas wearing a suit swiping a tray of diabetic test strips, total value, a thousand dollars. >> he takes that to the bathroom and empties it out. >> reporter: two days later he was stopped by traffic cops with $4,000 worth of meds in his truck. these women seem to have somehow gotten hold of the keys to display cases. the police are still looking to question them. >> i'm amazed every time how they can come in a store, within anywhere from four to five minutes and walk out with anywhere from $400 to $2,000 worth of merchandise and nobody knows what happened. >> reporter: meanwhile, back in l.a., those cuffs are on. the owners of the stores arrested for possession of stolen merchandise. for mike sweat, his work goes on. >> a whole lot of box. not sure what it is, but i don't want to let it go. >> reporter: at mike's command center, aka his apartment, he shows off the fruits of silent hours stalking his quarry. you're never going to actually stop people from stealing from stores. >> no, but i can sure try. >> reporter: any boosters watching tonight, be warned. you might be bein